Question

The most common method used to waterproof a residential shower or bathroom is ...

Liquid waterproofing
Felt
PVC Membrane
Plastic liner
None of the above answers are correct
Answered by GPT-4o mini
The most common method used to waterproof a residential shower or bathroom is typically **liquid waterproofing**, especially in modern applications. Liquid waterproofing membranes can be applied to various surfaces and provide a seamless barrier against water. However, the other methods mentioned, such as PVC membrane and plastic liners, are also used, particularly in specific installations. But if you have to choose the most common modern approach, it would be liquid waterproofing.